Charging device for shaft furnaces



. Dec. 8,1931. E'. KNORINGER AL- CHARGING DEVICE/FOR SHAFT FURNACES Fi ld Feb. 18, 1930 lllllllllllll INVENTDRS 7 UNITED-STATES PATENT, oFFice:

ERNST KNRINGE-R AND CARL WOLS KI, OF'WULFRATH, GERMANY I CHARGING DEVICEFQR SHAFT 1 "URZBTAGIES V 7 Application filed February 18, 1930,'Seria1No. 429,319, and in Germany January 5, 1929.

The charging devices for shaft furnaces separately from the'fuel incombustion,the with mixed firings hitherto known, by which closing bellI), together with the funnel d and the line fuel to be distributedtowards the the distributing cone 6, is raised from the i rim of thefurnace, and the coarse, fuel and closing position shown until: theconical fun- 5 the liquid fuel, in'leaving free the furnace nel allforms a continuous funnel with the 5 rim, over the innercross section ofthe shaft, charging hopper a. The fuel then slips ui1-' utilize for thispurpose a closing bell com der the lifted closing hell 6 fromthechargposed of two parts, by means'of which the 'ing hopper a over theconical funnel d onto fuel is conveyed, by common lowering of thedistributing cone 0, which, owing to its 10 both bell parts, towards thesieve grate situshape, distributes the fuel uniformly over 60 ated onthe furnace rim, to be separated into the'inner cross section of thefurnace leaving line and coarse fuel, whereas by raising the the rimclearf The distributing cone 6 isupper part of the'bell alone the fuelis disarranged vertically slidable on the draw rod tributed bydistributing body arrangedco f so that its spreading capability can beaxially under the bell. adapted to the actual working conditions 65 Thisinvention has for its object to simand to the different kinds of fuel.plify this construction in such amanner that We claim i the hithertoemployed two-part closing bell A charging device for shaft furnaces foris replaced by a one'partbell and that indistributing the line fueltowards therim of of the two conveying devices such as the furnace andthe coarse fuel and also liq- 70 winches, levers or similarelementshitherto uid fuel ever the inner CF SS- iQn the necessary for effectingthe distribution of furnace leaving free the rim of the furnace, I solidand liquid fuel only one such device is -comprising in combination acharging hopused. Moreover, the new arrangement preper having a centraldischarge aperture, a

a sents a furtherimportant advantage in that One part closing bell inthe aperture of said 7 the bell, even when the furnaceservice is hothopperadapted to be raised and lowered to going, can easily be removedas a whole, and control the feed of said hopper, a distributreplaced b af h one, V lngfdevice coaxially arranged under said An embodiment ofthe'invention is illusclosing bell adapted to distribute the fuel tratby way of example in section in the overthe inner'cross-section of thefurnace, so

only figure of the accompanying drawing. a sieve grate around saidclosing bell and When the charging hopper a has been under said. hopperadapted to sift the fuel filled with material the one-part closing belland supply the "coarse fuel towards the b is lowered from the closingposition shown, middle cross-section and allow the iine fuel with thefunnel ,(Z rigidly connected with it to pass to the rim of the furnace,an upand with the distributing cone '6. The fuel wardly tapering portionof said bell adapted slides then over the closing bell b which" is whensaid bell is lowered to supply the fuel a of smaller diameter than thediameter of the to said sieve grate, and alower funnel shaped outlet ofthe charging hopper a, towards v P 'E OH O S d b Cl S a from Sa d therim of the furnace where it encounters upper portion and having acentral lower the sieve grate 0 shown diagrammatically in aperture abovesaid distributor adapted-when the drawing which sieve grateseparates't-he Sald bell 1S raised tO'be brought with its 7 fuel intocoarse and finemateriah This sieve upp r edge in alignment with thelower grate is preferably composed of a plurality'of' edgeof Said hopperand to supply the fuel separate elements hingedly connected to thethrough its central lower aperture to said side of the furnace wall andthe inclination of distributing evicethese elements is preferablyadjustable for ex.- In testimony whereof we affix our signaample bymeans of hand operated set-screws. ureS- I i V In order to charge thefurnace with the I ERNST KNORING'ER. 50 fuel introduced into thecharging hopper a CARL WOLSKI.

